One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10)(11,13)(12,14)(15,16)(19,26)(20,30)(21,24)(23,28)(27,32)(29,31)(2,5)(6,8)(9,11)(10,13)(12,15)(14,16)(17,18,22,25)(19,27,29,23)(20,24,30,21)(26,32,31,28)(11,15)(13,16)(17,19,21,26,22,29,24,31)(18,23,20,28,25,27,30,32)(1,3,4,7)(2,6,5,8)(10,14)(13,16)(17,20)(18,24)(19,28)(21,25)(22,30)(23,31)(26,27)(29,32)(18,25)(19,29)(20,30)(26,31) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.